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Issue 68, 2019
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Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

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Abstract

Phenylallene reacts rapidly with ClB(C6F5)2 to give the respective 2-borylindene. Several substituted allenylarenes form the respective 2-B(C6F5)2 boryl-substituted indenes upon treatment with ClB(C6F5)2 or BrB(C6F5)2 as well. Bis- and tris-allenylarenes form the corresponding products featuring multiple five-membered ring annulations, including a symmetrical tris-borylated dihydro-1H-trindene derivative. The B(C6F5)2 borylindenes show fluorescence properties.

Graphical abstract: Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

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Publication details

The article was received on 31 May 2019, accepted on 30 Jul 2019 and first published on 01 Aug 2019


Article type: Communication
DOI: 10.1039/C9CC04199K
Chem. Commun., 2019,55, 10166-10169

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    Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

    X. Tao, C. G. Daniliuc, K. Soloviova, C. A. Strassert, G. Kehr and G. Erker, Chem. Commun., 2019, 55, 10166
    DOI: 10.1039/C9CC04199K

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